diff --git a/TombEngine/Objects/Generic/generic_objects.cpp b/TombEngine/Objects/Generic/generic_objects.cpp
index a6a11f96d..65633d5a1 100644
--- a/TombEngine/Objects/Generic/generic_objects.cpp
+++ b/TombEngine/Objects/Generic/generic_objects.cpp
@@ -43,7 +43,7 @@ using namespace TEN::Entities::Generic;
 
 static void StartObject(ObjectInfo* object)
 {
-	for (int objectNumber = ID_TRAPDOOR1; objectNumber <= ID_CEILING_TRAPDOOR2; objectNumber++)
+	for (int objectNumber = ID_TRAPDOOR1; objectNumber <= ID_TRAPDOOR3; objectNumber++)
 	{
 		object = &Objects[objectNumber];
 		if (object->loaded)
@@ -59,6 +59,51 @@ static void StartObject(ObjectInfo* object)
 		}
 	}
 
+	for (int objectNumber = ID_FLOOR_TRAPDOOR1; objectNumber <= ID_FLOOR_TRAPDOOR2; objectNumber++)
+	{
+		object = &Objects[objectNumber];
+		if (object->loaded)
+		{
+			object->initialise = InitialiseTrapDoor;
+			object->collision = FloorTrapDoorCollision;
+			object->control = TrapDoorControl;
+			object->floorBorder = TrapDoorFloorBorder;
+			object->ceilingBorder = TrapDoorCeilingBorder;
+			object->floor = TrapDoorFloor;
+			object->ceiling = TrapDoorCeiling;
+			object->SetupHitEffect(true);
+		}
+	}
+
+	for (int objectNumber = ID_CEILING_TRAPDOOR1; objectNumber <= ID_CEILING_TRAPDOOR2; objectNumber++)
+	{
+		object = &Objects[objectNumber];
+		if (object->loaded)
+		{
+			object->initialise = InitialiseTrapDoor;
+			object->collision = CeilingTrapDoorCollision;
+			object->control = TrapDoorControl;
+			object->floorBorder = TrapDoorFloorBorder;
+			object->ceilingBorder = TrapDoorCeilingBorder;
+			object->floor = TrapDoorFloor;
+			object->ceiling = TrapDoorCeiling;
+			object->SetupHitEffect(true);
+		}
+	}
+
+	/*object = &Objects[ID_SCALING_TRAPDOOR];  //I don't know what this Object purpose.
+	if (object->loaded)
+	{
+		object->initialise = InitialiseTrapDoor;
+		object->collision = TrapDoorCollision;
+		object->control = TrapDoorControl;
+		object->floorBorder = TrapDoorFloorBorder;
+		object->ceilingBorder = TrapDoorCeilingBorder;
+		object->floor = TrapDoorFloor;
+		object->ceiling = TrapDoorCeiling;
+		object->SetupHitEffect(true);
+	}*/
+
 	object = &Objects[ID_BRIDGE_FLAT];
 	if (object->loaded)
 	{